when I Install Oracle EnterPrise Manager 10gR2 on Unbreakable oracle Enteprice linux 5.2 it requried fro me some packags which are nessaray for installer like the following packages

Checking operating system package requirements ...
Checking for compat-libstdc++-296-2.96-132.7.2; found Not found. Failed <<<<
Checking for libstdc++devel-3.4.3-22.1; found Not found. Failed <<<<
Checking for openmotif-21-2.1.30-11; found Not found. Failed <<<<
Checking for pdksh-5.2.14-30; found Not found. Failed <<<<
Checking for gnome-libs-1.4.1.2.90-44.1; found Not found. Failed <<<<
Checking for xscreensaver-4.18-5.rhel4.2; found Not found. Failed <<<<